Dyfyniad APA
Koopmans, A. (1951). Cytogenetic Studies on Solanum tuberosum L. and some of its relatives.
Dyfyniad Arddull Chicago
Koopmans, Aaltje. Cytogenetic Studies on Solanum Tuberosum L. and Some of Its Relatives. 's-Gravenhage, 1951.
Dyfyniad MLA
Koopmans, Aaltje. Cytogenetic Studies on Solanum Tuberosum L. and Some of Its Relatives. 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.